1143200057 has 2 divisors, whose sum is σ = 1143200058. Its totient is φ = 1143200056.

The previous prime is 1143199991. The next prime is 1143200083. The reversal of 1143200057 is 7500023411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 765130921 + 378069136 = 27661^2 + 19444^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143200057 - 2¹⁴ = 1143183673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1143200087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571600028 + 571600029.

It is an arithmetic number, because the mean of its divisors is an integer number (571600029).

Almost surely, 2^1143200057 is an apocalyptic number.

It is an amenable number.

1143200057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143200057 is an equidigital number, since it uses as much as digits as its factorization.

1143200057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1143200057 is about 33811.2415773216. The cubic root of 1143200057 is about 1045.6204756659.

Adding to 1143200057 its reverse (7500023411), we get a palindrome (8643223468).

The spelling of 1143200057 in words is "one billion, one hundred forty-three million, two hundred thousand, fifty-seven".